/Engine/Source/Editor/UnrealEd/Classes/CookOnTheSide/CookOnTheFlyServer.h
Start a cook by the book session Cook on the fly can't run at the same time as cook by the book
void StartCookByTheBook ( const [FCookByTheBookStartupOptions](API\Editor\UnrealEd\CookOnTheSide\UCookOnTheFlyServer\FCookByTheBookSt-) & CookByTheBookStartupOptions )